Recent Articles on the tecRacer AWS Blog

The cuckoo egg testing lambda

Oh, there is an error in my Lambda function. But - what is the event JSON input which caused the error? Oh, I forgot to log the event in my Lambda code. Damned! It would be great to swap the code with a “just dump the event code” and slip it like a cuckoo egg. Afterwards, get the event and restore the old Lambda!

Simplifying SAP System Deployments with AWS Launch Wizard

Setting up enterprise applications can take a lot of work. Especially with software that has been on the market for a long time, a complete reinstallation and configuration can take quite a bit longer. Talking about complex installations, however, there is one final boss with three letters in its name: SAP.

Build a Site-to-Site IPSec VPN with Public Encryption Domain

When setting up IPSec VPN connections between different companies, the connecting parties often require the tunnel to use public IP addresses as the encryption domain. Especially when establishing a connection to telecommunication partners, the usage of public addresses is often mandatory and ensures that there are no overlapping addresses across other connections. In this blog post, I would like to show you how you can leverage tools like pfSense and VNS3 in combination with Terraform to build a Site-to-Site IPSec VPN connection between AWS and on-premises networks with a public encryption domain.

Run Shell Scripts as Lambda

Sometimes, developing a fully-fledged Lambda is not feasible, is too much work, or is simply outside of the knowledge domain of the people involved. But what if we could run plain Bash scripts instead?

Build Terraform CI/CD Pipelines using AWS CodePipeline

When deciding which Infrastructure as Code tool to use for deploying resources in AWS, Terraform is often a favored choice and should therefore be a staple in every DevOps Engineer’s toolbox. While Terraform can increase your team’s performance quite significantly even when used locally, embedding your Terraform workflow in a CI/CD pipeline can boost your organization’s efficiency and deployment reliability even more. By adding automated validation tests, linting as well as security and compliance checks you additionally ensure that your infrastructure adheres to your company’s standards and guidelines. In this blog post, I would like to show you how you can leverage the AWS Code Services CodeCommit, CodeBuild, and CodePipeline in combination with Terraform to build a fully-managed CI/CD pipeline for Terraform.

Demystifying FinOps in Cloud Computing: A Paradigm Shift Towards Effective Financial Management

In an era where cloud computing is revolutionizing businesses, the rise of a new discipline called FinOps is commanding attention. Financial Operations, or FinOps, brings a financial lens to the operational aspects of cloud computing, enabling organizations to drive cost efficiency, business value, and growth. But what exactly is FinOps and how can businesses leverage it in the realm of cloud computing? Understanding FinOps FinOps is a cultural shift, a practice that combines systems, best practices, and organizational culture to bring financial accountability to the variable spend model of cloud computing.